Sympy

A grade

{ 2, 3, 4, 5, 6, 7, 11, 12, 13, 14, 18, 19, 20, 21, 25, 26, 27, 28, 35, 55, 56, 57, 58, 59, 60 }

B grade

{ 34, 41, 42, 50, 61, 62, 67, 68, 69, 70, 75, 76, 77, 127, 128, 129, 130, 136, 137, 138 }

C grade

{ 71, 72, 73, 78, 81, 82, 83, 84, 91, 95, 96, 99, 100, 104, 107, 108, 111, 112, 116, 119, 120, 121, 122 }

F normal fail

{ 1, 8, 9, 10, 15, 16, 22, 23, 29, 30, 32, 33, 36, 37, 39, 40, 43, 44, 46, 47, 48, 49, 51, 52, 53, 63, 64, 65, 66, 79, 80, 85, 88, 89, 90, 94, 97, 98, 101, 102, 103, 105, 106, 109, 110, 113, 114, 115, 117, 118, 125, 135 }

F(-1) timedout fail

{ 17, 24, 31, 38, 45, 54, 74, 144, 145, 146, 147 }

F(-2) exception fail

{ 86, 87, 92, 93, 123, 124, 126, 131, 132, 133, 134, 139, 140, 141, 142, 143 }